期刊
EXPERT SYSTEMS WITH APPLICATIONS
卷 39, 期 18, 页码 13366-13375出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.eswa.2012.05.066
关键词
MCDM and criteria interaction; Choquet integration; Project Management
We investigate the group processes involved in effort estimation in the context of project management. The groups considered are formed by experts (people with specific technical competence) and non-experts (people with less specific technical competence, usually experts in related fields), because the typically complementary bias of the two classes contribute to a more balanced estimate. In this paper we exploit further the synergies between experts and non-experts in an MCDM framework, aggregating the individual estimates by means of non-additive Choquet integration, and representing the complementary bias by the multiagent interaction structure underlying the capacity. We present some examples and computer simulations whose aggregation results outperform those of the classical weighted mean (additive case), showing lower MMRE (mean magnitude of the relative error between the central estimate and the actual value) and higher HitRate (at which the interval estimate contains the actual value). (C) 2012 Elsevier Ltd. All rights reserved.
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